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Weather & Climate in Sidu, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sidu enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 54°F in January while summers reach 83°F in July. The area gets 266 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 80.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 741 feet.
Temperature
54°F Jan (12°C)
83°F Jul (28°C)
| Annual Average | 70.2°F |
| 30% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 266 days/yr |
Geography
| Elevation | 741 ft (226 m) |
| Area | 1,648.3 sq mi (4,269.0 km²) |
| Population Density | 8/sq mi |
| Coordinates | 24.2154°N, 115.2508°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Aug 4, 1992 | 55 km NW of Hepo, China | M4.6 | 51 km | 10 km |
| Feb 22, 2013 | 27 km NW of Heyuan, China | M4.5 | 88 km | 9 km |
| Feb 15, 2012 | 37 km NW of Heyuan, China | M4.4 | 86 km | 5 km |
| Aug 19, 1999 | 30 km NW of Heyuan, China | M4.4 | 88 km | 10 km |
| Aug 31, 2012 | 21 km WSW of Heyuan, China | M4.3 | 98 km | 10 km |
| Nov 12, 1995 | 49 km N of Hepo, China | M4.3 | 66 km | 10 km |
| Sep 21, 1991 | 23 km WNW of Heyuan, China | M4.2 | 87 km | 33 km |
| Mar 7, 2023 | 24 km NW of Heyuan, China | M4.2 | 86 km | 10 km |
| Feb 11, 2023 | 10 km WNW of Heyuan, China | M4.2 | 85 km | 10 km |
| Mar 24, 1999 | 33 km ENE of Heyuan, China | M4.1 | 50 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
36 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Wipha | Category 1 | — | 298 km |
| 2023 | Saola | Category 4 | 109 mph | 246 km |
| 2020 | Mekkhala | Category 1 | 58 mph | 248 km |
| 2016 | Haima | Category 1 | 69 mph | 191 km |
| 2016 | Meranti | Category 1 | 63 mph | 261 km |
| 2016 | Nida | Category 1 | 63 mph | 205 km |
| 2015 | Linfa | Category 1 | 58 mph | 190 km |
| 2013 | Usagi | Category 3 | 98 mph | 151 km |
| 2010 | Megi | Category 1 | 69 mph | 294 km |
| 2010 | Fanapi | Category 1 | 58 mph | 229 km |
| 2009 | Molave | Category 1 | 75 mph | 226 km |
| 2006 | Chanchu | Category 2 | 86 mph | 204 km |
| 2005 | Sanvu | Category 1 | 58 mph | 254 km |
| 2004 | Aere | Category 1 | 58 mph | 280 km |
| 2003 | Dujuan | Category 4 | 92 mph | 188 km |
| 2001 | Utor | Category 1 | 58 mph | 164 km |
| 2000 | Bilis | Category 2 | 52 mph | 190 km |
| 1999 | Dan | Category 2 | 86 mph | 279 km |
| 1999 | Maggie | Category 2 | 58 mph | 159 km |
| 1999 | York | Category 1 | 63 mph | 253 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).